package cn.xuan.zp;

import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.internal.DefaultShellCallback;

public class GeneratorSqlmap {
	public void generator() throws Exception {

		List<String> warnings = new ArrayList<String>();
		boolean overwrite = true;
		// 指定 逆向工程配置文件
		File configFile = getFile("generatorConfig.xml"); // new File("generatorConfig.xml");
		ConfigurationParser cp = new ConfigurationParser(warnings);
		Configuration config = cp.parseConfiguration(configFile);
		DefaultShellCallback callback = new DefaultShellCallback(overwrite);
		MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
		myBatisGenerator.generate(null);

	}

	private File getFile(String fileName) {
		ClassLoader classLoader = getClass().getClassLoader();
		/**
		 * getResource()方法会去classpath下找这个文件，获取到url resource, 得到这个资源后，调用url.getFile获取到 文件
		 * 的绝对路径
		 */
		URL url = classLoader.getResource(fileName);
		/**
		 * url.getFile() 得到这个文件的绝对路径
		 */
		System.out.println(url.getFile());
		File file = new File(url.getFile());
		System.out.println(file.exists());
		return file;
	}

	public static void main(String[] args) throws Exception {
		try {
			GeneratorSqlmap generatorSqlmap = new GeneratorSqlmap();
			generatorSqlmap.generator();
		} catch (Exception e) {
			e.printStackTrace();
		}

	}
}
